Elsewhere, there were big wins on the road for strugglers West Ham, Crystal Palace and Huddersfield.

Here are 10 things we learned from the Premier League weekend.

1. Gundogan fills the void

Gundogan celebrates after scoring (Image: AFP/Getty)

With the exception of De Bruyne, who was once again outstanding here, scoring to cap another virtuoso display, David Silva has arguably been City's best player this season, proving his enduring value with a series of majestic displays. Silva was missing today for 'personal reasons', with Gundogan replacing him.

The biggest compliment Gundogan could be paid is that City did not miss Silva, such was his influence in midfield, his clever movement, vision and execution of passing central to his side's dominance.

It has been a log road back for Gundogan after 10 months out injured, but he remains an important member of Guardiola's squad, as he proved here on only his second Premier League start of the season.

2. United fans bite back

Lukaku celebrates after scoring (Image: Action Images via Reuters)

The away supporters gave us a chorus of “Park the bus, park the bus Man United, playing football the Mourinho way.”

It was a great way to respond to the dressing room taunts from Man City’s players after their win over Tottenham.

The fall-out from the Old Trafford tunnel bust-up continues, but while Jose Mourinho has sulked and come out of it badly, the United fans at least injected some humour.

3. Wilshere proves he's worth his place

Wilshere in action (Image: AFP/Getty Images)

Wilshere started two Premier Leagues in a row for Arsenal for the first time since May 2015. Yes, really. Two and a half years.

You got the impression that Arsene Wenger wanted to see whether Wilshere could play two games in four days - and he proved he could.

Wilshere drove forward from midfield, his passing was crisp and excellent and he is showing that he is worth a new contract.

Wilshere is so much better than Granit Xhaka, who despite being in his second season, looks so average.

4. Benteke back in the goals

The Eagles were excellent at the King Power and it was vital that Christian Benteke got back on the scoresheet.

Benteke headed the opener for Palace before Wilfred Zaha and Bakary Sako wrapped it up.

If Roy Hodgson's men are to stay up, the big Belgian will be key.

5. What now for Van Dijk?

Chelsea's Marcos Alonso celebrates (Image: Reuters)

Good on Pellegrino for benching him. The crying Dutchman may have been persuaded to wear the Southampton shirt over the last four months but mentally he has not been a Saints player for some time. He wants a move.

He is well aware that both Liverpool and Manchester City will come for him and January and he is protecting himself for one of them. Look back at last week’s shambolic defensive display against Arsenal. An eye-catching feature of it is the lack of heart with which Van Dijk goes into every challenge.

On some occasions he doesn’t even bother. January cannot come soon enough either for him or Southampton. They know that the need to get rid and replace him with someone who actually cares about playing for the club.

6. Arnautovic piles misery on Hughes

Marko Arnautovic of West Ham United celebrate (Image: Getty)

Stoke's poor season hit a new lot on Saturday as they were thumped by relegation rivals West Ham.

And at the heart of the Hammers' performance was former Potter Marko Arnautovic.

The Austrian scored his side's second but could have had four or five at the bet365 Stadium.

Mark Hughes was unsurprisingly riled and lashed out as Arnautovic slowly trotted off after being substituted.

7. Brilliant Coutinho unlocks Cherries

Coutinho finds the net (Image: Action Images via Reuters)

Phillipe Coutinho’s individual piece of brilliance broke the deadlock in the 20th minute.

The Brazilian embarked on a mazy run from 30-yards out, weaving his way past the Bournemouth defence before firing his firing his effort into the bottom corner.

Coutinho is back in form - but has it come at the wrong time for Liverpool with the transfer window about to open?

8. Hot head Deeney lets Hornets down

Troy Deeney of Watford is shown a red card (Image: Getty)

Since calling out Arsenal, Troy Deeney and Watford haven't been at it.

They've slipped down to ninth and there is every chance they will be in the bottom half by the turn of the year.

Watford were woeful against Huddersfield and there cause wasn't helped by skipper Deeney's dismissal for a rash challenge on Colin Quaner.

A four game beckons for the striker.

9. Alli lucky to stay on

Dele Alli reacts (Image: Action Images via Reuters)

Since scoring twice in Tottenham's 3-1 Champions League demolition of holders Real Madrid on November 1, Dele Alli has failed to find the net and been a shadow of the player who plundered 22 goals in all competitions last season.

Here, the England international cut a tetchy figure, committing a series of fouls - including a particularly snide one on Gundogan - as his frustration grew. If Alli is not scoring or creating, he offers little else to Spurs, and here he was a peripheral figure, as he has been for much of this season.

He was eventually cautioned for a vicious stamp on De Bruyne, which should have been a straight red, with Guardiola furious at the appalling nature of the challenge.

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10. Arsenal stars donate wages

Arsenal’s players and Arsene Wenger gave a day’s wages to the Arsenal Foundation.

It’s the 11th year they have done it.

Really nice touch from the Gunners.

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